Re: [libvirt] [PATCH 35/53] vircgroup: introduce virCgroupV2GetMemSwapUsage

Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com&gt; --- src/util/vircgroupv2.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c index ae352f0212..3d1d68ded5 100644 --- a/src/util/vircgroupv2.c +++ b/src/util/vircgroupv2.c @@ -1292,6 +1292,21 @@ virCgroupV2GetMemSwapHardLimit(virCgroupPtr group, } +static int +virCgroupV2GetMemSwapUsage(virCgroupPtr group, + unsigned long long *kb) +{ + long long unsigned int usage_in_bytes;

+ int ret; + ret = virCgroupGetValueU64(group, + VIR_CGROUP_CONTROLLER_MEMORY, + "memory.swap.current", &usage_in_bytes); + if (ret == 0) + *kb = (unsigned long) usage_in_bytes >> 10; + return ret; +} + + virCgroupBackend virCgroupV2Backend = { .type = VIR_CGROUP_BACKEND_TYPE_V2, @@ -1338,6 +1353,7 @@ virCgroupBackend virCgroupV2Backend = { .getMemorySoftLimit = virCgroupV2GetMemorySoftLimit, .setMemSwapHardLimit = virCgroupV2SetMemSwapHardLimit, .getMemSwapHardLimit = virCgroupV2GetMemSwapHardLimit, + .getMemSwapUsage = virCgroupV2GetMemSwapUsage, };